Chapter 6 – Upgrading the Firmware and Flash
Multi-Tech Systems, Inc. MultiConnect Serial-to-Ethernet Adapter User Guide (S000344D) 18
Upgrading the Flash

Serial Flash Upgrade

The following steps explain the procedure to upgrade a flash using the serial COM port (serial flash upgrade).
Connect the Adapter to a PC COM Port.
• Open an application through which we can access the serial device(e.g., Meterm, zoc, hyperterm).
• Reboot the Adapter.
• Wait for the boot message and prompt “press d to download” to appear.
• Press d when prompted.
• Select the XMODEM Protocol from the Terminal application.
• Choose a file (MTXCSEM-TFTP-…) file to be uploaded.
• Perform a file upload.
The Adapter reboots and will be up after a few seconds (10-15 secs).

Ethernet Flash Upgrade

The Adapter can be remotely upgraded over a network. Make sure a TFTP client is already installed on the
machine.
The following steps explain the method to perform flash upgrade from Ethernet.
• Make sure the Adapter is reachable on the LAN.
• Perform a TFTP to the Adapter from a TFTP client.
– Set binary mode on (Note: This step is very important)
– Binary
• Put the binary file.
– put <binary filename>
• Exit the TFTP session.
– quit
The Adapter reboots after it has been successfully upgraded.